<template>
  <div class="app-container">
    讲师列表

    <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
      </el-form-item>
      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>
      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-button type="primary" icon="el-icon-search" @click="getList()">查 询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>    </el-form>


    <!--表格-->
    <el-table

      :data="list"
      element-loading-text="数据加载中"
      border
      fit
      highlight-current-row>
      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>
      <el-table-column prop="name" label="名称" width="80" />
      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
          {{ scope.row.level===1?'高级讲师':'首席讲师' }}
        </template>
      </el-table-column>
      <el-table-column prop="intro" label="资历" />
      <el-table-column prop="gmtCreate" label="添加时间" width="160"/>
      <el-table-column prop="sort" label="排序" width="60" />
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/edit/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />

  </div>
</template>

<script>
  import teacher from '@/api/teacher'

  export default {
    data() {
      return{
        list : null,//查询结果
        page : 1,//当前页
        limit : 10,//每页记录数
        total : 0,//总记录数
        teacherQuery : {} //条件封装对象
      }
    },

    created() {
      this.getList();
    },

    methods:{
      //讲师列表的方法
      getList(page =1){
        this.page=page;
        teacher.getTeacherListPage(this.page,this.limit,this.teacherQuery)
        .then(response =>{
          //response接口返回数据
          console.log(response);
          this.list=response.data.row;
          this.total=response.data.total;
        })
        .catch(error =>{
          console.log(error);
        })
      },

      //清空查询条件
      resetData(){
        this.teacherQuery={};
        this.getList();
      },

      //删除讲师
      removeDataById(teacherId){
        this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          return teacher.deleteTeacherById(teacherId)
        }).then(() => {
          this.getList();
          this.$message({
            type: 'success',
            message: '删除成功!'
          })
        }).catch((response) => { // 失败
             if (response === 'cancel') {
               this.$message({
                 type: 'info',
                 message: '已取消删除'
               })
             } else {
               this.$message({
                 type: 'error',
                 message: '删除失败'
               })
             }
        })
        }


    }
  }
</script>
